package com.shr4pnel.ferretirc

import com.shr4pnel.ferretirc.net.ClientMessage
import com.shr4pnel.ferretirc.net.Connection
import com.shr4pnel.ferretirc.net.MessageReader
import com.shr4pnel.ferretirc.net.MessageWriter
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.SupervisorJob
import kotlinx.coroutines.cancel
import kotlinx.coroutines.channels.Channel
import kotlinx.coroutines.launch
import java.net.URL

class IrcClient(val nick: String, val sock: URL) {
    val port: Int = sock.port
    val hostname: String = sock.host
    val scope = CoroutineScope(SupervisorJob() + Dispatchers.IO)
    private val connection = Connection(hostname, port, scope)
    lateinit var messages: Channel<String>

    init {
        require(port != -1, fun() = "A port must be specified in your argument to IRCClient")
        require(hostname.isNotEmpty(), fun() = "A port must be specified in your argument to IRCClient")
    }

    suspend fun connect() {
        connection.connect()
        messages = connection.reader.incomingMessages
    }

    fun queueMessage(message: ClientMessage) = scope.launch {
        connection.writer.outgoingMessages.send(message)
    }

    fun close() {
        scope.cancel()
    }
}